﻿#pragma once
// Copyright (c) lanyeo 2020-2021
// Licenced under MIT license. See https://opensource.org/licenses/MIT for details.
// code style
// 1. use forward declaration (尽可能使用前置声明)
// 2. include file sequence [other project>c>c++>third>self project]
//

#include <Windows.h>
#include <string>

namespace fist
{
    //将string转换成wstring  
    inline std::wstring string2wstring(std::string str)
    {
        std::wstring result;
        //获取缓冲区大小，并申请空间，缓冲区大小按字符计算  
        int len = MultiByteToWideChar(CP_ACP, 0, str.c_str(), str.size(), NULL, 0);
        TCHAR* buffer = new TCHAR[len + 1];
        //多字节编码转换成宽字节编码  
        MultiByteToWideChar(CP_ACP, 0, str.c_str(), str.size(), buffer, len);
        buffer[len] = '\0'; //添加字符串结尾  
        //删除缓冲区并返回值  
        result.append(buffer);
        delete[] buffer;
        return result;
    }

    //将wstring转换成string  
    inline std::string wstring2string(std::wstring wstr)
    {
        std::string result;
        //获取缓冲区大小，并申请空间，缓冲区大小事按字节计算的  
        int len = WideCharToMultiByte(CP_ACP, 0, wstr.c_str(), wstr.size(), NULL, 0, NULL, NULL);
        char* buffer = new char[len + 1];
        //宽字节编码转换成多字节编码  
        WideCharToMultiByte(CP_ACP, 0, wstr.c_str(), wstr.size(), buffer, len, NULL, NULL);
        buffer[len] = '\0';
        //删除缓冲区并返回值  
        result.append(buffer);
        delete[] buffer;
        return result;
    }
}
